<!DOCTYPE html>
<html lang="en" xmlns:th="http://www/thymeleaf.org">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<h1 style="background-color: chocolate">欢迎登录</h1>
<form th:action="@{/login}" method="post">
    用户名: <input type="text" name="username">
    密码: <input type="text" name="password">
    <input type="submit" value="登录">
</form>

</body>
</html>